| 2624311 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 91 / 280 |
Estimated T-Level: 21.6 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Nigel Backhouse | 980D2BBEAD777B9F | 0 | Windows,Prime95,v13,(aka WP1) | | Factored | 1999-04-23 | Stan Vincent | 980D2BBEAD777B9F | 708871 | Windows,Prime95,v17,(aka WT1) | | Factored | 2005-01-20 | Dan Manastireanu | 980D2BBEAD777B9F | 1445278 | Windows,Prime95,v23,(aka WZ1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-17 | Oliver Kruse | 64C6BE7CF0EB1513 | 1 | 1379960 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | 64C6BE7CF0EB1513 | 1 | 744737 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-11 | LordJulius | NF | no factor TF: 1-60 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2624311/73278316934184332111 : 64C6BE7CF0EB1513 | | 2017-10-17 | Oliver Kruse | C-PRP | M2624311/73278316934184332111 : 64C6BE7CF0EB1513 | | 2010-06-14 | James Hintz | F-ECM | Factor: 73278316934184332111 | | 2009-01-31 | Sturle Sunde | NF | no factor TF: 60-61 | | 2005-01-20 | -anonymous- | C-LL | 980D2BBEAD777B9F | | 2003-11-08 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-10-31 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-04-23 | -anonymous- | C-LL | 980D2BBEAD777B9F | | 1999-04-02 | -anonymous- | NF | no factor TF: 1-59 |
|
